Abstract
A finite-volume-based numerical model for mixed-convection laminar film condensation from a flowing mixture of a vapor and a heavier noncondensable gas on inclined isothermal flat plates is presented. The full boundary layer equations for the liquid film and the vapor-gas mixtures (including liquid inertia and energy convection terms) are solved implicitly with appropriate liquid-mixture interface conditions. Results were obtained for three mixtures, covering wide ranges of liquid Prandtl number and free-stream gas concentration in the forced-convection, mixed-convection and free-convection flow regimes. The effects of liquid inertia were found to be significant only for low-Prandtl-number fluids and lower gas concentrations. The effects of liquid energy convection were found to be significant only for high-Prandtl-number fluids and to be most significant for mixed-convection condensation.
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Received on 3 March 1998
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Chin, Y., Ormiston, S. & Soliman, H. A two-phase boundary-layer model for laminar mixed-convection condensation with a noncondensable gas on inclined plates. Heat and Mass Transfer 34, 271–277 (1998). https://doi.org/10.1007/s002310050259
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DOI: https://doi.org/10.1007/s002310050259